21-23 BAC 24-27 ADCD 28-31 ADCB 32-35 BDCC 36-40 CAEGF
41-45 BACDA 46-50 CBDDC 51-55 BABDA 56-60 BCACD
61. located 62. which 63. making 64. constantly
65. became 66. colleagues 67. were named
68. for 69. protection 70. The
1. depressing – depressed 2. have – had 3. win 前
加to 4. 删除was 5. her – his 6. Beside – Besides
7. worst – worse 8. both – all 9. how – what
thankfully – thankful
